#region Namespaces using System.Threading; using Autodesk.Revit.Attributes; using Autodesk.Revit.DB; using Autodesk.Revit.UI; #endregion namespace xUnitRevit { [Transaction(TransactionMode.Manual)] public class Command : IExternalCommand { public Result Execute( ExternalCommandData commandData, ref string message, ElementSet elements) { var uiapp = commandData.Application; Runner.Launch(uiapp); return Result.Succeeded; } } }